3 # get rid of all short IP fragments (too small for valid comparison)
5 block in proto tcp all with short
7 # drop and log any IP packets with options set in them.
9 block in log all with ipopts
11 # log packets with BOTH ssrr and lsrr set
13 log in all with opt lsrr,ssrr
15 # drop any source routing options
17 block in quick all with opt lsrr
18 block in quick all with opt ssrr